208756872

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 128

約数和(自身を含む): 619920000

約数和(自身を除く): 411163128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 139, 153, 204, 216, 278, 306, 408, 409, 417, 459, 556, 612, 818, 834, 918, 1112, 1224, 1227, 1251, 1636, 1668, 1836, 2363, 2454, 2502, 3272, 3336, 3672, 3681, 3753, 4726, 4908, 5004, 6953, 7089, 7362, 7506, 9452, 9816, 10008, 11043, 13906, 14178, 14724, 15012, 18904, 20859, 21267, 22086, 27812, 28356, 29448, 30024, 41718, 42534, 44172, 55624, 56712, 56851, 62577, 63801, 83436, 85068, 88344, 113702, 125154, 127602, 166872, 170136, 170553, 187731, 227404, 250308, 255204, 341106, 375462, 454808, 500616, 510408, 511659, 682212, 750924, 966467, 1023318, 1364424, 1501848, 1534977, 1932934, 2046636, 2899401, 3069954, 3865868, 4093272, 5798802, 6139908, 7731736, 8698203, 11597604, 12279816, 17396406, 23195208, 26094609, 34792812, 52189218, 69585624, 104378436, 208756872]

約数ペア:

[(1, 208756872), (2, 104378436), (3, 69585624), (4, 52189218), (6, 34792812), (8, 26094609), (9, 23195208), (12, 17396406), (17, 12279816), (18, 11597604), (24, 8698203), (27, 7731736), (34, 6139908), (36, 5798802), (51, 4093272), (54, 3865868), (68, 3069954), (72, 2899401), (102, 2046636), (108, 1932934), (136, 1534977), (139, 1501848), (153, 1364424), (204, 1023318), (216, 966467), (278, 750924), (306, 682212), (408, 511659), (409, 510408), (417, 500616), (459, 454808), (556, 375462), (612, 341106), (818, 255204), (834, 250308), (918, 227404), (1112, 187731), (1224, 170553), (1227, 170136), (1251, 166872), (1636, 127602), (1668, 125154), (1836, 113702), (2363, 88344), (2454, 85068), (2502, 83436), (3272, 63801), (3336, 62577), (3672, 56851), (3681, 56712), (3753, 55624), (4726, 44172), (4908, 42534), (5004, 41718), (6953, 30024), (7089, 29448), (7362, 28356), (7506, 27812), (9452, 22086), (9816, 21267), (10008, 20859), (11043, 18904), (13906, 15012), (14178, 14724)]